2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
42 	int pipe = -1;  in get_edp_pipe()
61 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in edp_pipe_is_enabled()
73 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in pipe_is_enabled()
75 	if (drm_WARN_ON(&dev_priv->drm,  in pipe_is_enabled()
77 		return -EINVAL;  in pipe_is_enabled()
90 /* EDID with 1024x768 as its resolution */
124 /* EDID with 1920x1200 as its resolution */
173 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in emulate_monitor_status_change()
253 		 *   24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),  in emulate_monitor_status_change()
254 		 *   DP link clk 1620 MHz and non-constant_n.  in emulate_monitor_status_change()
263 		/* Enable per-DDI/PORT vreg */  in emulate_monitor_status_change()
387 		 *   24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),  in emulate_monitor_status_change()
388 		 *   DP link clk 1620 MHz and non-constant_n.  in emulate_monitor_status_change()
513 	kfree(port->edid);  in clean_virtual_dp_monitor()
514 	port->edid = NULL;  in clean_virtual_dp_monitor()
516 	kfree(port->dpcd);  in clean_virtual_dp_monitor()
517 	port->dpcd = NULL;  in clean_virtual_dp_monitor()
528 	/* Set vblank emulation request per-vGPU bit */  in vblank_timer_fn()
529 	intel_gvt_request_service(vgpu->gvt,  in vblank_timer_fn()
530 				  INTEL_GVT_REQUEST_EMULATE_VBLANK + vgpu->id);  in vblank_timer_fn()
531 	hrtimer_add_expires_ns(&vblank_timer->timer, vblank_timer->period);  in vblank_timer_fn()
538 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;  in setup_virtual_dp_monitor()
540 	struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer;  in setup_virtual_dp_monitor()
542 	if (drm_WARN_ON(&i915->drm, resolution >= GVT_EDID_NUM))  in setup_virtual_dp_monitor()
543 		return -EINVAL;  in setup_virtual_dp_monitor()
545 	port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL);  in setup_virtual_dp_monitor()
546 	if (!port->edid)  in setup_virtual_dp_monitor()
547 		return -ENOMEM;  in setup_virtual_dp_monitor()
549 	port->dpcd = kzalloc(sizeof(*(port->dpcd)), GFP_KERNEL);  in setup_virtual_dp_monitor()
550 	if (!port->dpcd) {  in setup_virtual_dp_monitor()
551 		kfree(port->edid);  in setup_virtual_dp_monitor()
552 		return -ENOMEM;  in setup_virtual_dp_monitor()
555 	memcpy(port->edid->edid_block, virtual_dp_monitor_edid[resolution],  in setup_virtual_dp_monitor()
557 	port->edid->data_valid = true;  in setup_virtual_dp_monitor()
559 	memcpy(port->dpcd->data, dpcd_fix_data, DPCD_HEADER_SIZE);  in setup_virtual_dp_monitor()
560 	port->dpcd->data_valid = true;  in setup_virtual_dp_monitor()
561 	port->dpcd->data[DPCD_SINK_COUNT] = 0x1;  in setup_virtual_dp_monitor()
562 	port->type = type;  in setup_virtual_dp_monitor()
563 	port->id = resolution;  in setup_virtual_dp_monitor()
564 	port->vrefresh_k = GVT_DEFAULT_REFRESH_RATE * MSEC_PER_SEC;  in setup_virtual_dp_monitor()
565 	vgpu->display.port_num = port_num;  in setup_virtual_dp_monitor()
568 	hrtimer_init(&vblank_timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);  in setup_virtual_dp_monitor()
569 	vblank_timer->timer.function = vblank_timer_fn;  in setup_virtual_dp_monitor()
570 	vblank_timer->vrefresh_k = port->vrefresh_k;  in setup_virtual_dp_monitor()
571 …vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh…  in setup_virtual_dp_monitor()
579  * vgpu_update_vblank_emulation - Update per-vGPU vblank_timer
583  * This function is used to turn on/off or update the per-vGPU vblank_timer
590 	struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer;  in vgpu_update_vblank_emulation()
592 		intel_vgpu_port(vgpu, vgpu->display.port_num);  in vgpu_update_vblank_emulation()
596 		 * Skip the re-enable if already active and vrefresh unchanged.  in vgpu_update_vblank_emulation()
600 		if (vblank_timer->vrefresh_k != port->vrefresh_k ||  in vgpu_update_vblank_emulation()
601 		    !hrtimer_active(&vblank_timer->timer)) {  in vgpu_update_vblank_emulation()
603 			if (hrtimer_active(&vblank_timer->timer))  in vgpu_update_vblank_emulation()
604 				hrtimer_cancel(&vblank_timer->timer);  in vgpu_update_vblank_emulation()
607 			vblank_timer->vrefresh_k = port->vrefresh_k;  in vgpu_update_vblank_emulation()
608 …vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh…  in vgpu_update_vblank_emulation()
609 			hrtimer_start(&vblank_timer->timer,  in vgpu_update_vblank_emulation()
610 				      ktime_add_ns(ktime_get(), vblank_timer->period),  in vgpu_update_vblank_emulation()
615 		hrtimer_cancel(&vblank_timer->timer);  in vgpu_update_vblank_emulation()
621 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in emulate_vblank_on_pipe()
622 	struct intel_vgpu_irq *irq = &vgpu->irq;  in emulate_vblank_on_pipe()
633 	for_each_set_bit(event, irq->flip_done_event[pipe],  in emulate_vblank_on_pipe()
635 		clear_bit(event, irq->flip_done_event[pipe]);  in emulate_vblank_on_pipe()
652 	mutex_lock(&vgpu->vgpu_lock);  in intel_vgpu_emulate_vblank()
653 	for_each_pipe(vgpu->gvt->gt->i915, pipe)  in intel_vgpu_emulate_vblank()
655 	mutex_unlock(&vgpu->vgpu_lock);  in intel_vgpu_emulate_vblank()
659  * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU
668 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;  in intel_vgpu_emulate_hotplug()
749  * intel_vgpu_clean_display - clean vGPU virtual display emulation
752  * This function is used to clean vGPU virtual display emulation stuffs
757 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in intel_vgpu_clean_display()
771  * intel_vgpu_init_display- initialize vGPU virtual display emulation
775  * This function is used to initialize vGPU virtual display emulation stuffs
783 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in intel_vgpu_init_display()
799  * intel_vgpu_reset_display- reset vGPU virtual display emulation
802  * This function is used to reset vGPU virtual display emulation stuffs